Test Code: 396
CPT Code(s): 81025
Methodology: Immunoassay (IA)
Clinical Significance: This test is specific for hCG beta subunit and offers sensitivity necessary to detect pregnancy as early as ten days post conception.
Alternative Name(s): Urine Pregnancy Test, Chorionic Gonadotropin, Beta hCG, Urine
Test code: 461
Methodology: Photo-optical
Clinical Significance: Fibrinogen is essential for the formation of a blood clot. Deficiency can produce mile to severe bleeding disorders.
Includes: Fibrinogen
Alternative Name(s): Not applicable
Test Code: 59720
CPT Code(s): 87497
Methodology: Real-time PCR
Test Code: 59221
CPT Code(s): 82550, 82553
Methodology: N-acetyl-L-cysteine (NAC) and Immunoassay followed by ratio determination
Includes: Creatine Kinase total, CK-MB, CK-MB Index
Test Code: 34482
CPT Code: 80197
Methodology: Enzyme Immunoassay (EIA)
Clinical Significance: Tacrolimus is an immunosuppressive drug discovered in 1984 by the Fujisawa Pharmaceutical Co. It has been shown to be effective for the treatment of rejection following transplantation. “contact DLO Customer Service for full clinical significance if needed”.
Alternative Name(s): Prograf; FK506
Test Code: 4847
CPT Code(s): 84134
Methodology: Nepholometry
Clinical Significance: Prealbumin is decreased in protein-calorie malnutrition, liver disease, and acute inflammation. It may be used as an indicator of nutritional requirements and response to therapy during total parenteral nutrition and as a biochemical marker of nutritional adequacy in premature infants.
Alternative Name(s): Transthyretin, Thryoxine Binding Preablumin
Test Name: Troponin I, High Sensitivity; former test name Troponin I *updated 03.02.2026
Alternative Name(s): Troponin HS, High Sensitivity, hsTnl
Test Code: 34693; former test code 59039 *updated 03.02.2026
CPT Code(s): 84484
Methodology: Chemiluminescent Microparticle Immunoassay (CMIA)
Test Code: 36970
CPT Code: 86480
Methodology: Immunoassay (IA)
Clinical Significance: QuantiFERON®-TB Gold IT is an indirect test for M. tuberculosis infection (including disease) and is intended for use in conjunction with risk assessment, radiography and other medical and diagnostic evaluations.
Test Code: 7260
CPT Code(s): 86376, 86800
Methodology: Immunoassay (IA)
Clinical Significance: Measurement of thyroglobulin antibodies and thyroid peroxidase antibodies is useful in the diagnosis and management of a variety of thyroid disorders including autoimmune thyroiditis, Hashimoto's Disease, Graves Disease and certain types of goiter.
Alternative Name(s): Not applicable
Test Code: 5081
CPT Code(s): 86376
Methodology: Immunoassay (IA)
Clinical Significance: Assists in the diagnosis of thyroid diseases such as endemic goiter, Graves Disease, autoimmune thyroiditis, Addison's Disease, insulin-dependent diabetes mellitus, Hashimoto's Disease and polyendocrine auto-immunopathies.
Alternative Name(s): Anti-TPO, Anti-Thyroid Microsomal Antibody, TPO
